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Old 11th April 2014
cmacrae cmacrae is offline
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Default Blank screen when resuming from suspend [Current][ATI Radeon HD 6310]

Hi Folks,

Finally created an account here, hoping some of you may be able to shed some light on an issue I'm experiencing. Looking forward to contributing back on the other threads

So, the problem is, as the thread title states, when resuming from suspend, my system has a blank screen. I'm unable to switch tty's, or interact with the system by any means. It seems more than just a blank screen, as the system is unresponsive.

Strangely, suspend was working flawlessly for quite some time, so perhaps a recent change has provoked this.

I'm running current (build time: Tue Apr 8 17:28:01) on a ThinkPad x120e, video card (if this is the issue) is an ATI Radeon HD 6310.

Here's the system's dmesg:

Code:
OpenBSD 5.5-current (GENERIC.MP) #61: Tue Apr  8 17:28:01 MDT 2014
    deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 8145928192 (7768MB)
avail mem = 7920316416 (7553MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xf9ba0 (60 entries)
bios0: vendor LENOVO version "8FET33WW (1.17 )" date 11/07/2012
bios0: LENOVO 05962PU
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SLIC ELIC HPET APIC MCFG UEFI UEFI SSDT SSDT UEFI
acpi0: wakeup devices PB4_(S4) PB5_(S4) PB6_(S4) PB7_(S4) OHC1(S3) OHC2(S3) EHC2(S3) OHC3(S3) EHC3(S3) OHC4(S3) SBAZ(S4) GEC_(S4) P2P_(S5) SPB0(S4) SPB1(S4) SPB2(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 32 bits
acpihpet0 at acpi0: 14318180 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD E-350 Processor, 1596.88 MHz
cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,SSSE3,CX16,POPCNT,NXE,MMXX,FFXSR,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,IBS,SKINIT,ITSC
cpu0: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line 16-way L2 cache
cpu0: 8 4MB entries fully associative
cpu0: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 199MHz
cpu0: mwait min=64, max=64, C-substates=0.0.0.0.0, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: AMD E-350 Processor, 1596.61 MHz
cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,SSSE3,CX16,POPCNT,NXE,MMXX,FFXSR,LONG,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,IBS,SKINIT,ITSC
cpu1: 32KB 64b/line 2-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line 16-way L2 cache
cpu1: 8 4MB entries fully associative
cpu1: DTLB 40 4KB entries fully associative, 8 4MB entries fully associative
cpu1: smt 0, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 21, 24 pins
ioapic0: misconfigured as apic 0, remapped to apid 2
acpimcfg0 at acpi0 addr 0xf8000000, bus 0-31
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PB4_)
acpiprt2 at acpi0: bus -1 (PB5_)
acpiprt3 at acpi0: bus 1 (PB6_)
acpiprt4 at acpi0: bus -1 (PB7_)
acpiprt5 at acpi0: bus 2 (P2P_)
acpiprt6 at acpi0: bus 3 (SPB0)
acpiprt7 at acpi0: bus 4 (SPB1)
acpiprt8 at acpi0: bus -1 (SPB2)
acpiprt9 at acpi0: bus -1 (SPB3)
acpiec0 at acpi0
acpicpu0 at acpi0: C2, PSS
acpicpu1 at acpi0: C2, PSS
acpitz0 at acpi0: critical temperature is 92 degC
acpibtn0 at acpi0: PWRB
acpibtn1 at acpi0: SLPB
acpithinkpad0 at acpi0
acpiac0 at acpi0: AC unit online
acpibat0 at acpi0: BAT1 model "42T4787" serial  2589 type LION oem "SONY"
acpibtn2 at acpi0: LID_
cpu0: 1596 MHz: speeds: 1600 1280 800 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "AMD AMD64 14h Host" rev 0x00
radeondrm0 at pci0 dev 1 function 0 "ATI Radeon HD 6310" rev 0x00
drm0 at radeondrm0
radeondrm0: msi
azalia0 at pci0 dev 1 function 1 "ATI Radeon HD 6310 HD Audio" rev 0x00: msi
azalia0: no supported codecs
ppb0 at pci0 dev 6 function 0 "AMD AMD64 14h PCIE" rev 0x00: msi
pci1 at ppb0 bus 1
re0 at pci1 dev 0 function 0 "Realtek 8168" rev 0x03: RTL8168D/8111D (0x2800), msi, address e8:9a:8f:a2:60:de
rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2
ahci0 at pci0 dev 17 function 0 "ATI SBx00 SATA" rev 0x00: apic 2 int 19, AHCI 1.2
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, INTEL SSDSC2CW18, 400i> SCSI3 0/direct fixed naa.55cd2e4000064ab7
sd0: 171705MB, 512 bytes/sector, 351651888 sectors, thin
ohci0 at pci0 dev 18 function 0 "ATI SB700 USB" rev 0x00: apic 2 int 18, version 1.0, legacy support
ehci0 at pci0 dev 18 function 2 "ATI SB700 USB2" rev 0x00: apic 2 int 17
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "ATI EHCI root hub" rev 2.00/1.00 addr 1
ohci1 at pci0 dev 19 function 0 "ATI SB700 USB" rev 0x00: apic 2 int 18, version 1.0, legacy support
ehci1 at pci0 dev 19 function 2 "ATI SB700 USB2" rev 0x00: apic 2 int 17
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "ATI EHCI root hub" rev 2.00/1.00 addr 1
piixpm0 at pci0 dev 20 function 0 "ATI SBx00 SMBus" rev 0x42: polling
iic0 at piixpm0
spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-10600 SO-DIMM
spdmem1 at iic0 addr 0x51: 4GB DDR3 SDRAM PC3-12800 SO-DIMM
azalia1 at pci0 dev 20 function 2 "ATI SBx00 HD Audio" rev 0x40: apic 2 int 16
azalia1: codecs: Conexant/0x5066
audio0 at azalia1
pcib0 at pci0 dev 20 function 3 "ATI SB700 ISA" rev 0x40
ppb1 at pci0 dev 20 function 4 "ATI SB600 PCI" rev 0x40
pci2 at ppb1 bus 2
ppb2 at pci0 dev 21 function 0 "ATI SB800 PCIE" rev 0x00
pci3 at ppb2 bus 3
ppb3 at pci0 dev 21 function 1 "ATI SB800 PCIE" rev 0x00: msi
pci4 at ppb3 bus 4
iwn0 at pci4 dev 0 function 0 "Intel Centrino Advanced-N 6235" rev 0x24: msi, MIMO 2T2R, AGN, address c4:d9:87:12:23:84
pchb1 at pci0 dev 24 function 0 "AMD AMD64 14h Link Cfg" rev 0x43
pchb2 at pci0 dev 24 function 1 "AMD AMD64 14h Address Map" rev 0x00
pchb3 at pci0 dev 24 function 2 "AMD AMD64 14h DRAM Cfg" rev 0x00
km0 at pci0 dev 24 function 3 "AMD AMD64 14h Misc Cfg" rev 0x00
pchb4 at pci0 dev 24 function 4 "AMD AMD64 14h CPU Power" rev 0x00
pchb5 at pci0 dev 24 function 5 "AMD AMD64 14h Reserved" rev 0x00
pchb6 at pci0 dev 24 function 6 "AMD AMD64 14h NB Power" rev 0x00
pchb7 at pci0 dev 24 function 7 "AMD AMD64 14h Reserved" rev 0x00
usb2 at ohci0: USB revision 1.0
uhub2 at usb2 "ATI OHCI root hub" rev 1.00/1.00 addr 1
usb3 at ohci1: USB revision 1.0
uhub3 at usb3 "ATI OHCI root hub" rev 1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
wsmouse1 at pms0 mux 0
pms0: Synaptics touchpad, firmware 7.5
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
umass0 at uhub1 port 2 configuration 1 interface 0 "Generic USB2.0-CRW" rev 2.00/58.88 addr 2
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <Generic-, Multi-Card, 1.00> SCSI0 0/direct removable serial.0bda0158114173400000
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
sd2 at scsibus4 targ 1 lun 0: <OPENBSD, SR CRYPTO, 005> SCSI2 0/direct fixed
sd2: 170674MB, 512 bytes/sector, 349541742 sectors
root on sd2a (8e4ad17ac283d4f5.a) swap on sd2b dump on sd2b
drm: initializing kernel modesetting (PALM 0x1002:0x9802 0x17AA:0x21DF).
radeondrm0: VRAM: 384M 0x0000000000000000 - 0x0000000017FFFFFF (384M used)
radeondrm0: GTT: 512M 0x0000000018000000 - 0x0000000037FFFFFF
drm: PCIE GART of 512M enabled (table at 0x0000000000040000).
drm: Internal thermal controller without fan control
radeondrm0: 1366x768
wsdisplay0 at radeondrm0 mux 1: console (std, vt100 emulation), using wskbd0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
Any help on this is greatly appreciated, I'm pretty stumped. Can't get a look at any logs after this behavior is exhibited, as I have to force a shutdown.

Thanks in advance!
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Old 11th April 2014
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jggimi jggimi is offline
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Hello, and welcome!

This is conjecture, only: I know that pirofti@ was recently looking at ACPI EC events and their effect on suspend / resume. His two patches didn't work for me, and he mentioned in Email response to my results over the last weekend that he was planning to work up vendor specific code for this. Perhaps that code has been worked up? There's nothing in sys/dev/acpi/acpiec.c that's been committed, but there is sometimes uncommitted code deployed in snapshots prior to commit.

Whether your suspend/resume issue is related to Paul's development activity or not, I recommend you report your experience to misc@ or bugs@. You're running a very recent -current.
Quote:
Strangely, suspend was working flawlessly for quite some time, so perhaps a recent change has provoked this.
If you know the date of your last -current system, that may help narrow down the cause of the regression.
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Old 11th April 2014
cmacrae cmacrae is offline
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Thanks for the swift response, jggimi

Ah, yes, I did see this posted on undeadly, asking for testers. Seems like a somewhat likely candidate. I'll likely try this tonight. I suppose the way I see it: contribute back as a tester, it could render my issue fixed, or, worst case scenario, break stuff, in which case I can reinstall and have my system up and running again in no time.

Unfortunately, I don't recall the previous date of my -current system before upgrading.

Whilst I'll certainly take the above on board, will be testing later and reporting back, I'm still open to any further suggestions, of course.
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Old 11th April 2014
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Well, if you build a kernel, you'll eliminate the possibility of an uncommitted patch.

My contact with Paul was out-of-band and Emailed directly, as the mailing list server was down over the weekend for facilities maintenance. Here is an excerpt from my report:
Code:
... I'm using an Atom N270
on an Asus netbook.  This is a 32-bit only uniprocessor with hiperthreading
that cannot be disabled, and I use the MP kernel.

Tested: Your patch of March 26. Result: acpitz0 reports excessive temp (144C)
on boot and the kernel instituted a shutdown.

Tested: Your revised patch of March 28.  Result: normal behavior until 
suspend/resume.  Upon resume, acpitz0 reports excessive temp (144C) and
the kernel instituted a shutdown.

I'm back on the April 2 i386 snapshot, where acpitz0.temp0 is reported as 
its usual 57C.  Please let me know if there is any additional testing or
reporting I can do for you....
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Old 11th April 2014
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Welcome. This probably won't help much, but my laptop also has HD 6310 graphics, and I had a similar lock up to what you describe back in 5.3. I have not investigated it any further.
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Old 14th May 2014
cmacrae cmacrae is offline
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Apologies for such a late update on this thread for anyone who was eager/curious to know the outcome. I finally got around to compiling a kernel using the 'acpiec(4) clear events on attach and resume' patch (I'm unable to post links, not enough posts), and, I'm pleased to report, it worked!

I'll get in touch with pirofti@ and let him know.

Thanks so much for bringing this to my attention jggimi
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Old 14th May 2014
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